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    • 10. 发明申请
    • LEAK TEST MACHINE FOR VEHICLE RIM
    • WO2021024087A1
    • 2021-02-11
    • PCT/IB2020/057091
    • 2020-07-28
    • TEST INDUSTRY S.R.L.
    • SPEZZABALLI, Daniel
    • G01M3/22
    • A leak test machine (1) for a vehicle rim (2) comprises a base (3), which supports a lower sealing element (31) suitable to receive a first edge (21) of the rim (2). The machine (1) further comprises a closing element (4) which is translatable along a translation direction (X) to take an open configuration in which the closing element (4) is not engaged with the base (3) and allows the insertion of the rim (2) on the first sealing element (31), and a closed configuration, in which the closing element (4) sealingly engages the base (3) so as to define an outer chamber (41) which completely surrounds the rim (2). An upper sealing group (5), contained in the outer chamber (41), is translatable along the translation direction (X) to sealingly engage the rim (2) on an outer edge (22) of the rim (2) opposite to the first edge (21), so as to define an inner chamber (20) delimited by the upper sealing group (5), the lower sealing element (31) and the channel walls (23) of the rim. A sealing group translation device (6) is operatively connected to the upper sealing group (5) to move it along the translation direction (X). Such an upper sealing group (5) is supported in an articulated manner by the sealing group translation device (6), so as to allow at least one rotation of the upper sealing group (5) around an axis incident to the translation direction (X).